North Cascades National Park weather in June
June in North Cascades National Park: cold, rainy, with clean air — an excellent time to visit.
#3 of 12 months in North Cascades National Park · #301 of 604 destinations to visit in June · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
North Cascades National Park climate normals — June
| Daytime high | 9°C / 48°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 33°F | |
| Feels like (high) | 7°C / 45°F | |
| Rainfall | 85 mm / 3.3 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | -1°C / 31°F | |
| Sunshine | 11 h/day | |
| Daylight | 16.1 h | |
| Wind | 9 km/h / 5 mph | |
| Snowfall | 1.3 cm / 0.5 in | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is North Cascades National Park?
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North Cascades National Park in June — FAQ
- Is June a good time to visit North Cascades National Park?
- June in North Cascades National Park: cold, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for North Cascades National Park on SeasonMap's comfort score (82/100).
- What is the weather like in North Cascades National Park in June?
- In June, North Cascades National Park averages a daily high of 9.1°C and a low of 0.3°C, with about 84.6 mm of rain over roughly 14.6 rainy days.
- What is the air quality in North Cascades National Park in June?
- North Cascades National Park has a mean US Air Quality Index of about 38 in June.
- Does it snow in North Cascades National Park in June?
- North Cascades National Park sees roughly 1.3 cm of snowfall in June.